Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until January 2, 04:00 AM PST

Current conditions at

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

22°F

-6°C

Humidity	96%
Wind Speed	NA 3 MPH
Barometer	29.8 in (1009.14 mb)
Dewpoint	21°F (-6°C)
Visibility	10.00 mi
Last update	01 Jan 07:56 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

9 Miles E Snoqualmie Pass WA

Winter Weather Advisory January 1, 09:02am until January 2, 04:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 1, 09:02am until January 2, 04:00am
NOW until 4:00am Fri
Winter Weather Advisory
New Year's Day
High: 32 °F
Snow Likely
Tonight
Low: 31 °F⇑
Snow Likely
Friday
High: 36 °F
Snow Likely
Friday Night
Low: 32 °F
Snow Likely
Saturday
High: 35 °F
Snow Likely
Saturday Night
Low: 32 °F
Snow Likely
Sunday
High: 35 °F
Snow Likely
Sunday Night
Low: 30 °F
Snow Likely

Detailed Forecast

New Year's Day

Snow likely. Mostly cloudy, with a high near 32. East wind 6 to 8 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow likely. Cloudy, with a temperature rising to around 34 by 4am. South wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday

Snow likely. Mostly cloudy, with a high near 36. West wind around 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday Night

Snow likely. Mostly cloudy, with a low around 32. South wind 7 to 10 mph becoming east after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday

Snow likely. Mostly cloudy, with a high near 35. Southeast wind 8 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday Night

Snow likely. Mostly cloudy, with a low around 32. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Sunday

Snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Sunday Night

Snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

Monday

Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.

Monday Night

Snow likely. Mostly cloudy, with a low around 28.

Tuesday

Snow likely. Mostly cloudy, with a high near 33.